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      <title>11.3.&nbsp;Node Functions - Chapter&nbsp;11.&nbsp;Node, Relationship and Path Functions and Procedures</title>
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      <section class="section" id="node-functions">
         <div class="titlepage">
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               <div>
                  <h2 class="title" style="clear: both"><a class="anchor" href="#node-functions"></a>11.3.&nbsp;Node Functions
                  </h2>
               </div>
            </div>
         </div>
         <div class="informaltable">
            <div class="table" id="d0e13900">
               <table class="informaltable" border="1">
                  <colgroup>
                     <col class="col_1"></col>
                     <col class="col_2"></col>
                  </colgroup>
                  <tbody>
                     <tr>
                        <td style="text-align: left; vertical-align: top; ">
                           <p><code class="literal">apoc.nodes.isDense(node)</code></p>
                        </td>
                        <td style="text-align: left; vertical-align: top; ">
                           <p>returns true if it is a dense node</p>
                        </td>
                     </tr>
                     <tr>
                        <td style="text-align: left; vertical-align: top; ">
                           <p><code class="literal">apoc.nodes.connected(start, end, rel-direction-pattern)</code></p>
                        </td>
                        <td style="text-align: left; vertical-align: top; ">
                           <p>returns true when the node is connected to the other node, optimized for dense nodes</p>
                        </td>
                     </tr>
                     <tr>
                        <td style="text-align: left; vertical-align: top; ">
                           <p><code class="literal">apoc.node.relationship.exists(node, rel-direction-pattern)</code></p>
                        </td>
                        <td style="text-align: left; vertical-align: top; ">
                           <p>returns true when the node has the relationships of the pattern</p>
                        </td>
                     </tr>
                     <tr>
                        <td style="text-align: left; vertical-align: top; ">
                           <p><code class="literal">apoc.node.relationship.types(node, rel-direction-pattern)</code></p>
                        </td>
                        <td style="text-align: left; vertical-align: top; ">
                           <p>returns a list of distinct relationship types</p>
                        </td>
                     </tr>
                     <tr>
                        <td style="text-align: left; vertical-align: top; ">
                           <p><code class="literal">apoc.node.degree(node, rel-direction-pattern)</code></p>
                        </td>
                        <td style="text-align: left; vertical-align: top; ">
                           <p>returns total degrees of the given relationships in the pattern, can use <code class="literal">'&gt;'</code> or <code class="literal">'&lt;'</code> for all outgoing or incoming relationships
                           </p>
                        </td>
                     </tr>
                     <tr>
                        <td style="text-align: left; vertical-align: top; ">
                           <p><code class="literal">apoc.node.id(node)</code></p>
                        </td>
                        <td style="text-align: left; vertical-align: top; ">
                           <p>returns id for (virtual) nodes</p>
                        </td>
                     </tr>
                     <tr>
                        <td style="text-align: left; vertical-align: top; ">
                           <p><code class="literal">apoc.node.degree.in(node, relationshipName)</code></p>
                        </td>
                        <td style="text-align: left; vertical-align: top; ">
                           <p>returns total number of incoming relationship</p>
                        </td>
                     </tr>
                     <tr>
                        <td style="text-align: left; vertical-align: top; ">
                           <p><code class="literal">apoc.node.degree.out(node, relationshipName)</code></p>
                        </td>
                        <td style="text-align: left; vertical-align: top; ">
                           <p>returns total number of outgoing relationship</p>
                        </td>
                     </tr>
                     <tr>
                        <td style="text-align: left; vertical-align: top; ">
                           <p><code class="literal">apoc.node.labels(node)</code></p>
                        </td>
                        <td style="text-align: left; vertical-align: top; ">
                           <p>returns labels for (virtual) nodes</p>
                        </td>
                     </tr>
                     <tr>
                        <td style="text-align: left; vertical-align: top; ">
                           <p><code class="literal">apoc.rel.id(rel)</code></p>
                        </td>
                        <td style="text-align: left; vertical-align: top; ">
                           <p>returns id for (virtual) relationships</p>
                        </td>
                     </tr>
                     <tr>
                        <td style="text-align: left; vertical-align: top; ">
                           <p><code class="literal">apoc.rel.type(rel)</code></p>
                        </td>
                        <td style="text-align: left; vertical-align: top; ">
                           <p>returns type for (virtual) relationships</p>
                        </td>
                     </tr>
                     <tr>
                        <td style="text-align: left; vertical-align: top; ">
                           <p><code class="literal">apoc.any.properties(node/rel/map, <span id="keys"></span>)</code></p>
                        </td>
                        <td style="text-align: left; vertical-align: top; ">
                           <p>returns properties for virtual and real, nodes, rels and maps, optionally restrict via keys</p>
                        </td>
                     </tr>
                     <tr>
                        <td style="text-align: left; vertical-align: top; ">
                           <p><code class="literal">apoc.any.property(node/rel/map)</code></p>
                        </td>
                        <td style="text-align: left; vertical-align: top; ">
                           <p>returns property for virtual and real, nodes, rels and maps</p>
                        </td>
                     </tr>
                     <tr>
                        <td style="text-align: left; vertical-align: top; ">
                           <p><code class="literal">apoc.create.uuid()</code></p>
                        </td>
                        <td style="text-align: left; vertical-align: top; ">
                           <p>returns a UUID string</p>
                        </td>
                     </tr>
                     <tr>
                        <td style="text-align: left; vertical-align: top; ">
                           <p><code class="literal">apoc.label.exists(element, label)</code></p>
                        </td>
                        <td style="text-align: left; vertical-align: top; ">
                           <p>returns true or false related to label existance</p>
                        </td>
                     </tr>
                  </tbody>
               </table>
            </div>
         </div>
         <p>rel-direction-pattern syntax:</p>
         <p><code class="literal">[&lt;]RELATIONSHIP_TYPE1[&gt;]|[&lt;]RELATIONSHIP_TYPE2[&gt;]|&#8230;&#8203;</code></p>
         <p>Example: <code class="literal">'FRIEND|MENTORS&gt;|&lt;REPORTS_TO'</code> will match to :FRIEND relationships in either direction, outgoing :MENTORS relationships, and incoming :REPORTS_TO relationships.
         </p>
      </section>
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